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authorEvan Quan <evan.quan@amd.com>2017-09-08 13:04:52 +0800
committerAlex Deucher <alexander.deucher@amd.com>2017-09-12 14:30:11 -0400
commit4ef72453311a697b3fb90da9c86c83012911ccf9 (patch)
tree155c5d6d86530f48434ba9f2bb10ab89d84c7638 /drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
parentf1ac0fc2f2355495628a45e90cbd88e3d2c40ef9 (diff)
drm/amdgpu: added api for stopping psp ring (v2)
- v2: reuse the ring stop api in ring destory Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v3_1.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/psp_v3_1.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
index 2a535a4b8d5b..bcbe30dfff39 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
@@ -319,7 +319,7 @@ int psp_v3_1_ring_create(struct psp_context *psp, enum psp_ring_type ring_type)
return ret;
}
-int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type)
+int psp_v3_1_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type)
{
int ret = 0;
struct psp_ring *ring;
@@ -339,6 +339,19 @@ int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type)
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x80000000, false);
+ return ret;
+}
+
+int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type)
+{
+ int ret = 0;
+ struct psp_ring *ring = &psp->km_ring;
+ struct amdgpu_device *adev = psp->adev;
+
+ ret = psp_v3_1_ring_stop(psp, ring_type);
+ if (ret)
+ DRM_ERROR("Fail to stop psp ring\n");
+
amdgpu_bo_free_kernel(&adev->firmware.rbuf,
&ring->ring_mem_mc_addr,
(void **)&ring->ring_mem);